Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Which among the following represent mean?

A. Geometric
B. Harmonic
C. Quadratic
D. All the above
Answer» E.
2.

The value of standard deviation will always be a ..............number.

A. Negative
B. Positive
C. Positive or negative
D. Both a and b
Answer» C. Positive or negative
3.

The mean of a distribution is 50 and the standard deviation is 5. The coefficient ofvariation is ..............

A. 10%
B. 0.1%
C. 10
D. 0.1
Answer» B. 0.1%
4.

The percentage of Standard Deviation to Mean of a distribution is called

A. Variation
B. Coefficient of Variation
C. Dispersion
D. None of the above
Answer» C. Dispersion
5.

The median value of the distribution 30, 20, 42, 32, 12.

A. 42
B. 68
C. 32
D. 30
Answer» E.
6.

The most stable measure of variability is ..............

A. Mean Deviation
B. Quartile Deviation
C. Standard Deviation
D. Range
Answer» D. Range
7.

Find range of the distribution 30, 42, 65, 26, 78, 54.

A. 52
B. 26
C. 54
D. 78
Answer» B. 26
8.

The tendency of data to be scattered around the average is ..........

A. Central tendency
B. Dispersion
C. Range
D. None of the above
Answer» C. Range
9.

Which among the following cannot be manipulated algebraically?

A. Mean
B. Median
C. Mode
D. Both b and c
Answer» E.
10.

Mode of the distribution 34, 48, 23, 45, 34, 54, 45, 56, 34, 76.

A. 45
B. 76
C. 34
D. 23
Answer» D. 23
11.

The number of median a distribution can have is...........

A. One
B. Two
C. Less than one
D. More than two
Answer» B. Two
12.

Ogive is also called .............. graph.

A. Frequency
B. Cumulative Frequency Curve
C. Cumulative Percentage Frequency Curve
D. Frequency polygon
Answer» D. Frequency polygon
13.

The value that divides a series in to two halves above and below it is............

A. Mean
B. Median
C. Mode
D. SD
Answer» C. Mode
14.

Which among the following is NOT a measure of central tendency?

A. Mean
B. Standard Deviation
C. Mode
D. Median
Answer» C. Mode
15.

The arithmetic mean of the distribution 10,20,12,8,6 is.................

A. 56
B. 12
C. 28
D. 11.2
Answer» E.
16.

Representation of data as portions of a circle of 3600.

A. Bar diagram
B. Pie diagram
C. Pictogram
D. None of the above
Answer» C. Pictogram
17.

The actual or exact lower limit of the class 40 – 45.

A. 39.5
B. 40.5
C. 39
D. 40
Answer» B. 40.5
18.

A line graph drawn from a histogram.

A. Ogive
B. Cumulative Frequency Graph
C. Frequency Polygon
D. Cumulative Percentage Frequency Graph
Answer» D. Cumulative Percentage Frequency Graph
19.

In one way ANOVA, if the calculated F value is greater than the tabled value of F,then

A. Mean difference between all pairs of groups will be significant
B. Mean difference is not significant
C. Mean difference between more than two groups in the set will be significant
D. Mean difference between atleast two groups in the set will be significant
Answer» E.
20.

Measure of skewness gives -------

A. Direction of skewness
B. Extent of skewness
C. Both (a) and (b)
D. None of these
Answer» D. None of these
21.

The term skewness refers to -------

A. bulginess
B. lack of symmetry
C. symmetrical
D. normal
Answer» C. symmetrical
22.

The area under the normal curve between the ordinatesx =  - 3 and x = +3 is

A. 68.26%
B. 95.44%
C. 99.73%
D. 90%
Answer» D. 90%
23.

The area under the normal curve between the ordinates x =  -  and x = + is

A. 68.26%
B. 95.44%
C. 34.13%
D. None of these
Answer» B. 95.44%
24.

The area under the normal curve between the ordinatesx =  - 2 and x = +2 is

A. 68.26%
B. 95.44%
C. 99%
D. None of these
Answer» C. 99%
25.

Which of the following is significance of normal distribution in statistical analysis?

A. Many of the dependent variables are commonly assumed to be normally distributed
B. Many of the statistical techniques in inferential statistics assumes normality of variable.
C. The theoretical distribution of the hypothetical set of sample means is approximately normal.
D. All of the above
Answer» E.
26.

Normal distribution was defined specially by -------

A. Laplace
B. Gauss
C. DeMoivre
D. None of these
Answer» B. Gauss
27.

Degrees of freedom for testing the significance of correlation coefficient is calculatedusing the formula ------

A. n1 + n2
B. n-1
C. n -3
D. n-2
Answer» E.
28.

Following data is related to emotional intelligence of two groups A and B.Mean SD N Group A 75 15 150 Group B 70 20 250 Then the critical ratio is given by

A. 2.53
B. 1.98
C. 2.84
D. None of these
Answer» D. None of these
29.

Which of the following is the ‘t’ value for the following data (small independentsamples)X1= 12, X2 =11, n1 =5, n2=7, s1 = 1.12, s2 = 2.31

A. 8.9
B. 0.35
C. 0.89
D. 0.79
Answer» D. 0.79
30.

Normal distribution was originally investigated by -------

A. Gauss
B. Laplace
C. DeMoivre
D. None of these
Answer» D. None of these
31.

greater percentage of cases distributed about the mean score4. lesser percentage of cases belonging to extreme scores

A. Only 1 and 2 are true
B. Only 3 and 4 are true
C. all are true
D. all are false
Answer» C. all are true
32.

Conditional probability can be defined when A and B are ……………… events

A. Mutually exclusive
B. Dependent
C. Independent
D. Exhaustive
Answer» C. Independent
33.

If two events A and B are independent then probability of A and B is given by

A. P(A and
B. 0
C. P(A and B) = P(A) X P(B)
D. None of these
Answer» D. None of these
34.

An event A is said to be the complementary event of B if A and B are

A. Mutually exclusive
B. Equally likely
C. Exhaustive
D. Both a and c
Answer» E.
35.

If the totality of events includes all the possible outcomes of a random experiment, then theevents are called …………….

A. Equally likely
B. Independent
C. Mutually exclusive
D. Exhaustive
Answer» E.
36.

If the outcome of one event does not affect and is not affected by the other event, then thetwo events are called ……….. events.

A. Equally likely
B. Independent
C. Dependent
D. Mutually exclusive
Answer» C. Dependent
37.

An event which may or may not occur while performing a certain random experiment isknown as

A. Sample space
B. Outcomes
C. Random event
D. None of these
Answer» D. None of these
38.

Those events which cannot happen simultaneously in a single trial are called ……….. events.

A. Equally likely
B. Mutually exclusive
C. Independent
D. Dependent
Answer» C. Independent
39.

Which of the following is the definition of probability of an event in subjective approach.

A. Limit of the relative frequency as the number of observation increases indefinitely
B. Probability assigned to an event by an individual based on whatever evidence is possible.
C. Probability can be calculated using certain axioms
D. None of these
Answer» C. Probability can be calculated using certain axioms
40.

The probability of an event is defined as “the ratio of the number of ‘favourable’ cases to thetotal number of equally likely cases” in …………… approach.

A. Empirical
B. Classical
C. Subjective
D. Axiomatic
Answer» C. Subjective
41.

The oldest and simplest approach to probability is ……………

A. Empirical
B. Classical
C. Subjective
D. Axiomatic
Answer» C. Subjective
42.

An outcome of an experiment is called

A. Event
B. Sample space
C. Sample
D. None of these
Answer» B. Sample space
43.

The first man to write a book on probability is

A. Galileo
B. Pierre De-Fermat
C. Demovire
D. Girolamo Cardano
Answer» E.
44.

The data obtained in an investigation by complete enumeration will be free from ……………

A. Sampling errors
B. Nonsampling errors
C. Both a and b
D. None of these
Answer» B. Nonsampling errors
45.

The results of a sample survey would be subject to …………………..

A. Sampling error
B. Nonsampling errors
C. Both a and b
D. None of these
Answer» D. None of these
46.

A sampling method in which sample elements are selected neither by probability method norjudgement but by convenience is called ………………

A. Accidental sampling
B. Purposive sampling
C. Quota sampling
D. None of these
Answer» B. Purposive sampling
47.

The investigator has complete freedom in choosing his sample according to his wishes anddesires in

A. Judgemt sampling
B. Quota sampling
C. Convenience sampling
D. Multiphase sampling
Answer» B. Quota sampling
48.

Which of the following is not a demerit of judgement sampling?

A. Not scientific
B. Influenced by personal bias
C. No objective method to determine sampling error
D. Can be used in making public policy decisions
Answer» E.
49.

In which of the following methods of sampling the choice of sample items dependsexclusively on the judgement of the investigator?

A. Purposive sampling
B. Quota sampling
C. Convenience sampling
D. None of these
Answer» B. Quota sampling
50.

Which of the following is not a nonprobability sampling?

A. Judgement sampling
B. Quota sampling
C. Convenience sampling
D. Multistage sampling
Answer» E.